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Diffstat (limited to 'arch/arm/mach-mx3/mx31lite.c')
-rw-r--r--arch/arm/mach-mx3/mx31lite.c74
1 files changed, 73 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
index 894d98cd994..86fe70fa3e1 100644
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -22,6 +22,9 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/memory.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/smsc911x.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -32,11 +35,64 @@
#include <asm/page.h>
#include <asm/setup.h>
#include <mach/board-mx31lite.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx3.h>
+#include <mach/irqs.h>
+#include <mach/mxc_nand.h>
+#include "devices.h"
/*
* This file contains the board-specific initialization routines.
*/
+static unsigned int mx31lite_pins[] = {
+ /* UART1 */
+ MX31_PIN_CTS1__CTS1,
+ MX31_PIN_RTS1__RTS1,
+ MX31_PIN_TXD1__TXD1,
+ MX31_PIN_RXD1__RXD1,
+ /* LAN9117 IRQ pin */
+ IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
+};
+
+static struct imxuart_platform_data uart_pdata = {
+ .flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct mxc_nand_platform_data mx31lite_nand_board_info = {
+ .width = 1,
+ .hw_ecc = 1,
+};
+
+static struct smsc911x_platform_config smsc911x_config = {
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
+ .flags = SMSC911X_USE_16BIT,
+};
+
+static struct resource smsc911x_resources[] = {
+ [0] = {
+ .start = CS4_BASE_ADDR,
+ .end = CS4_BASE_ADDR + 0x100,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IOMUX_TO_IRQ(MX31_PIN_SFS6),
+ .end = IOMUX_TO_IRQ(MX31_PIN_SFS6),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device smsc911x_device = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(smsc911x_resources),
+ .resource = smsc911x_resources,
+ .dev = {
+ .platform_data = &smsc911x_config,
+ },
+};
+
/*
* This structure defines the MX31 memory map.
*/
@@ -59,7 +115,7 @@ static struct map_desc mx31lite_io_desc[] __initdata = {
*/
void __init mx31lite_map_io(void)
{
- mxc_map_io();
+ mx31_map_io();
iotable_init(mx31lite_io_desc, ARRAY_SIZE(mx31lite_io_desc));
}
@@ -68,6 +124,22 @@ void __init mx31lite_map_io(void)
*/
static void __init mxc_board_init(void)
{
+ int ret;
+
+ mxc_iomux_setup_multiple_pins(mx31lite_pins, ARRAY_SIZE(mx31lite_pins),
+ "mx31lite");
+
+ mxc_register_device(&mxc_uart_device0, &uart_pdata);
+ mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info);
+
+ /* SMSC9117 IRQ pin */
+ ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");
+ if (ret)
+ pr_warning("could not get LAN irq gpio\n");
+ else {
+ gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SFS6));
+ platform_device_register(&smsc911x_device);
+ }
}
static void __init mx31lite_timer_init(void)